Martha made a mistake. In which step did Martha first make a mistake, and what is the correct expression for that step?

Answer:
Step 3
Step-by-step explanation:
j²(k^-1)^-3=j^2(k^3)
Answer:
Step 3
Step-by-step explanation:
On step three, Martha added the two exponents. She was supposed to multiply the -1 and -3. The answer should have been: [tex]j^{2}k^{3}[/tex]
Hope this helps! :)